RETRACTED: Effective synthesis of a hexacyclic-steroid derivative from 4-hydroxyestrone
Figueroa‐Valverde Lauro, Díaz Cedillo Francisco, Rosas‐Nexticapa Marcela, López‐Ramos Maria, Garcimarero‐Espino E. Alejandra, Mateu‐Armand Virginia, Ortiz‐Ake Yazmin
Abstract